$ npm install is-stream-endedCheck if a stream has ended.
$ npm install --save is-stream-ended
var isStreamEnded = require('is-stream-ended');
isStreamEnded(stream); // false
stream.end();
isStreamEnded(stream); // true
Stream, ObjectProviding a stream will check against the stream._readableState object. To check from the _writableState, provide that object directly.